can some one tell me what exactly does the gr-qtgui module add to gnuradio ?
im having troubles getting it to compile, and if i don't really need
it then why bother?
the gui should still work without the qt libs correct?
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On Mon, Apr 13, 2009 at 02:53:46AM -0400, davek wrote:
can some one tell me what exactly does the gr-qtgui module add to gnuradio ?
im having troubles getting it to compile, and if i don't really need
it then why bother?
the gui should still work without the qt libs correct?
You don't need
Vincenzo Pellegrini wwvince at gmail.com writes:
Maximum sustained throughput that we have achieved so far, given our chipsets
and the USRP's cypress usb interfaceis 32 MB/sec that yields, at 16 bit sample
resolution
Hi Vincenzo,
you are right, but why are we calculating with 32MByte/s and
Hi,
I have noticed that I always get a segmentation fault if I use the openGL
versions of the sinks. This seems to be dependent on the graphics chipset, I
have two computers both with Intel G965.
The segfault can be avoided with LIBGL_ALWAYS_INDIRECT=1, eg,
$ LIBGL_ALWAYS_INDIRECT=1
Thank you for your explanation,
I 've been reading documentation about ofdm in 802.11g, and now I know what
values I must put for the parameters. I added the size of the packet with
'-s', and it worked.
Thanks
2009/4/8 Martin Braun br...@int.uni-karlsruhe.de
On Tue, Apr 07, 2009 at 10:32:20AM
python pipes are buffered. if your command produces a lot of output,
then the pipes can fill up, if you don't read from them. One solution
is to move to the subprocess module:
http://docs.python.org/library/subprocess.html#module-subprocess
Cheers,
Thomas
On Sun, Apr 12, 2009 at 9:52 PM,
Hi,
Does anyone has some discription about the two programs usrp_fft.py
and usrp_oscope.py? I try to search in the archive but didn't find any
basic discriptions. For example, I'm using digital-bert
benchmark_tx.py to transmit a sequence of 1's, which modulated by
BPSK; on the other computer, I
Hi,
On Mon, 4/13/09, feldmaus feldmann_mar...@gmx.de wrote:
you are right, but why are we calculating with 32MByte/s
and not with 60MByte/s or something else ?
Did you saw USRP FAQ? Always check before ask. See:
http://gnuradio.org/trac/wiki/UsrpFAQ/Gen#USB:480MBitsec32MBytesec
And see
Firas Abbas firasmail2000 at yahoo.com writes:
Hi,
On Mon, 4/13/09, feldmaus feldmann_markus at gmx.de wrote:
you are right, but why are we calculating with 32MByte/s
and not with 60MByte/s or something else ?
Did you saw USRP FAQ? Always check before ask. See:
The segfault can be avoided with LIBGL_ALWAYS_INDIRECT=1, eg,
$ LIBGL_ALWAYS_INDIRECT=1 usrp_oscope.py
thats very useful to know
Although this slows things down a little bit, it should still be faster than
pure software rendering.
I would be interested in reports from other people,
On Mon, Apr 13, 2009 at 09:11:38AM -0700, Josh Blum wrote:
A quick way to enable the gl sinks if not done so:
mkdir ~/.gnuradio/
echo [wxgui] ~/.gnuradio/config.conf
echo style=gl ~/.gnuradio/config.conf
-Josh
You're probably safer editing the file in your favorite editor, since
some
Hi all,
I have two USRPs. I would like to implement some functions (RTS and NAV)
in 802.11 MAC. Actually, I want to use RTS to control one of the nodes when to
send out packets. When the node recieves the RTS, it should set up its NAV.
Hence, the node will not send any packets out during the
I would be interested in reports from other people, especially which
chipsets/drivers segfault and which dont.
Stefan
I added this to the wxgui wiki page:
http://gnuradio.org/trac/wiki/CompGrWxgui#GLSinks
There is a table with cards and known issues/solutions. Maybe we can get
a few
Hi Jakub - 2 possibilities, depending on how one interprets your
question:
A) If what you mean is using a single host computer that controls the
two USRPs such that one transmits while the other receives and vice-
versa, but never a single USRP both Tx and Rx simultaneously, then
yes,
Dear Michael and Jakub,
I was working on the similar problem. What about using two TX daughter
boards in the same motherboard, and BOTH TRANSMITTING signals
simultaneously, one from each daughter board, but in an overlapped
fashion. Is it easily possible? What I mean is, I would like to have two
u r welcomed!
e.g.dst = gr.vector_sink_c ()
result = dst.data()
dump that result into a file using dump(result, the handle of
that file).
Thanks!
Bill
From: yufeng wang kthyuf...@gmail.com
To: Bill
Hi All, I was wondering about some basic functions of the USRP board:
1) To what carrier frequency does the USRP board (specifically AD9862) up
converts the base band signal and how can we change that?
2) At what transmission power does the USRP board transmits? and how that can
be controlled
3) While using GRC, when we transmit the signal using the USRP block, how can we check or see the transmitted signal? Is there any pin on the USRP board which can be probed with the oscilloscope in order to view the transmitted signal.
What daughterboards do you have?
Make sure that the
On Apr 13, 2009, at 5:17 PM, Bishal Thapa wrote:
I was working on the similar problem. What about using two TX daughter
boards in the same motherboard, and BOTH TRANSMITTING signals
simultaneously, one from each daughter board, but in an overlapped
fashion. Is it easily possible? What I mean
Hi Philip,
Sorry for the late reply. I am new in this field. Is it possible for you
to explain more?
I've always thought it would be interesting to encapsulate a gnu radio
flow graph inside an SCA component. This would provide a rapid component
development environment for SCA waveform
HI Josh, we have basic TX , RX daughter board with us. also what is that range
you have mentioned into your reply is for?
Thanks Regards,
Somya Ajmera
--- On Tue, 14/4/09, Josh Blum j...@joshknows.com wrote:
From: Josh Blum j...@joshknows.com
Subject: Re: [Discuss-gnuradio] USRP Basics
Hi all,
I am trying to figure out the easiest way to implement an 802.11 AP with RTS
function using GNU Radio based on existing projects, such as BBN, CMU_MAC,
Click, etc. I have not found any projects which are the same as my needs. I
have two USRPs. One USRP with a PC as an AP and one USRP
Hi,
Does anyone know if there is any reference implementation on the use
of gnuradio for GPS?
I am interested in DIYing my own GPS system.
Any information will be greatly appreciated.
Thanks,
Woody
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www.gps-sdr.com
On Tue, Apr 14, 2009 at 12:05 AM, Woody Dickson woodydick...@gmail.com wrote:
Hi,
Does anyone know if there is any reference implementation on the use
of gnuradio for GPS?
I am interested in DIYing my own GPS system.
Any information will be greatly appreciated.
Thanks,
Hi Michael,
my intention is to allow a communication between two USRP's hooked up
to two different computers. Each USRP has one RFX2400 daughterboard
and one antenna connected to the Tx/Rx port. I have a more of a CS
than ECE background and my focus here is on the application level. I
would like
Hi, Dear All,
I've just installed cygwin and gnu radio in my laptop. I'm trying to run
usrp_benchmark_usb.py. and i get this message:
Testing 2MB/sec...usb_control_msg failed:usb_control_msg:sending control
message failed,win error: A device attached to the system is not functioning
Somya Ajmera wrote:
HI Josh, we have basic TX , RX daughter board with us. also what is that range
you have mentioned into your reply is for?
Many times, users give the usrp sink numbers between +/- 1.0 and there
is no transmit power. Just to double check, you should be giving usrp
Hello all. In reference to this post, how does the signal actually get
transmitted through the wireless channel? Does the qpsk block need to be
connected to a usrp_sink_c() block?
Thanks
Dumezie
- Original Message -
From: Eric Blossom e...@comsec.com
To: karim kelde...@uci.edu
Cc:
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